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14221760 = 26572907
BaseRepresentation
bin110110010000…
…000111000000
3222202112120212
4312100013000
512120044020
61224453252
7231611600
oct66200700
928675525
1014221760
118034023
12491a228
132c3c357
141c62c00
1513adcc5
hexd901c0

14221760 has 84 divisors (see below), whose sum is σ = 39438072. Its totient is φ = 4870656.

The previous prime is 14221721. The next prime is 14221769. The reversal of 14221760 is 6712241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15227 + ... + 16133.

Almost surely, 214221760 is an apocalyptic number.

14221760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14221760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19719036).

14221760 is an abundant number, since it is smaller than the sum of its proper divisors (25216312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14221760 is an equidigital number, since it uses as much as digits as its factorization.

14221760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 14221760 is about 3771.1748832426. The cubic root of 14221760 is about 242.2801209528.

The spelling of 14221760 in words is "fourteen million, two hundred twenty-one thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 907 980 1120 1568 1814 1960 2240 3136 3628 3920 4535 6349 7256 7840 9070 12698 14512 15680 18140 25396 29024 31745 36280 44443 50792 58048 63490 72560 88886 101584 126980 145120 177772 203168 222215 253960 290240 355544 406336 444430 507920 711088 888860 1015840 1422176 1777720 2031680 2844352 3555440 7110880 14221760